Magnetic induction device, and finance bills detection system of using the device

A technology of magnetic induction device and ticket, applied in the field of magnetic induction device and ticket detection system, can solve problems such as difficult and accurate detection, and achieve the effect of improving accuracy

Active Publication Date: 2007-05-09
CHINA BANKNOTE PRINTING & MINTING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For example: 10 genuine coupons can be altered into 11 counte...

Method used

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  • Magnetic induction device, and finance bills detection system of using the device
  • Magnetic induction device, and finance bills detection system of using the device
  • Magnetic induction device, and finance bills detection system of using the device

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Embodiment Construction

[0019] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0020] Fig. 3 is a schematic diagram of a magnetic sensor in the magnetic induction device according to the first aspect of the present invention. The magnetic sensor includes a magnetic head to which an external magnetic field is applied and a magnetic head to which an external magnetic field is not applied. As shown in Figure 3, the magnetic head that is applied external magnetic field is 1, and the magnetic head that is not applied external magnetic field is 1 ' (in Fig. 3 only schematically marked 4 magnetic heads, but the present invention is not limited thereto). The magnetic heads are arranged in the form of two rows and n columns (n ​​is an integer greater than 1). The direction of the rows is the Y direction, that is, the direction in which the induced magnetic substance advances in the magnetic induction device. The two heads in the same col...

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Abstract

A ticket detection system comprises magnetic induction unit for obtaining soft / hard magnetic signal, soft / hard magnetic signal processing circuit for amplifying and filtering said signal and for converting said signal to be digital signal, judgment circuit for converting digital signal to be soft / hard magnetic image and for comparing said magnetic image with standard ticket model to identify true or false of ticket. The said magnetic induction unit consists of magnetic transducer with a magnetic head being exerted with external magnetic field and with another magnetic head free of external magnetic field.

Description

technical field [0001] The invention relates to a magnetic induction device that can be applied to financial equipment such as bank self-service equipment and a ticket detection system using the magnetic induction device. Background technique [0002] In recent years, as China's economic development has become more and more vigorous, the transactions of various valuable coupons have become increasingly active, and some unscrupulous elements have taken advantage of this "opportunity" to flood the entire financial market with a large number of counterfeit coupons in order to obtain huge profits . Therefore, the country launched a fight against counterfeiting from top to bottom. At the same time, the entire financial equipment industry is also actively fighting against counterfeiting. Designing and producing financial equipment with high-performance anti-counterfeiting has also become the voice of the entire financial industry. [0003] Traditional magnetic detection devices, ...

Claims

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Application Information

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IPC IPC(8): G07D7/04
Inventor 廖俊宁王学文王真张建民褚玉凤陈晓明
Owner CHINA BANKNOTE PRINTING & MINTING
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